Furnace Gas Valve Replaces Carrier Bryant 301273-702 301273-720 301273-752 NT/LP. This is a BRAND NEW Upgraded White Rodgers Furnace Pilot Gas Valve. It is designed as a direct replacment for the old part #s listed below. The valve is currently set up for NAT gas but comes with an LP kit in case you need to convert it to LP gas. It is a slow opening gas valve with a 1/2″ inlet and a 3/4″ outlet also includes a 3/4″ x 1/2″ reducer to reduce the outlet. The gas valve is a low voltage control (usually 24 VAC) that allow gas into the combustion chamber. It is also an adjustable regulator that insures proper gas pressure for combustion. They have a manual shut off. Replaces Old Part #s. Partial List of Units that Use This Item. Hit Ctrl + F and enter your model number for a quick search!